Purshottam, V., A. Tripathi, Bandna Gupta, and Sumit Rungta. “A Randomised Double Blind Control Trial of Add-on Duloxetine on Symptom Severity and Quality of Life in Irritable Bowel Syndrome: Protocol of a Proof-of- Concept Study”. Indian Journal of Behavioural Sciences, vol. 26, no. 02, Sept. 2023, pp. 125-30, doi:10.55229/ijbs.v26i2.08.